tables > repunit > 20

Base 20 Repunits

Table

Viewing: 515 – 515 << prev next >>

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 515: \[{20^{515}-1\over19}\] 11 × 61 × 251 × 619 × 1031 × 65921 × 53977151 × 1074432643259<13> × 3604083574166431<16> × 4115434523032449785948580135200269<34> × 1950070948916965761846787847690605126973611643746068035040182756758421447344488707729<85> × [62571891176345019809335284868427292627160174223070058809272673771491481329321375810961208093238501397977450325556358384840008362116632590494830836498195036943424724176591327368018722396910063979028437274422147054411202942166322911244711637751<242>] × [759093770191815779545079725407373820298917047297396517441241489348281203666164538319849999333218617011614068572484579293066185966509565241054187649815008529908083042433863022383488898096206481901884981641901108326467612223431827626618680328089932731674745101<258>]

Index range: 515 – 515 << prev next >>